October 2012
Beginner
420 pages
9h 37m
English
book
Industrial Statistics with Minitab
by Pere Grima Cintas, Lluis Marco Almagro, Xavier Tort-Martorell Llabres
Content preview from Industrial Statistics with Minitab
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17.1 File ‘MUFFIN’
A local bakery decides to commercialize their famous raspberries muffins through a chain of supermarkets. This requires industrializing the baking process. Their first attempts are unsuccessful due to excessive variability in the height of the muffins. A data collection is organized to try to find the main source of variability. Every hour, three consecutive trays (each having four muffins) are taken from the process, and the height of the four muffins is measured.
File MUFFIN.MTW contains the data, and is organized as follows:
| Column | Name | Contents |
| C1 | Time | Time when the sample was taken |
| C2 | Tray | Number of tray |
| C3 | Position | Muffin location on the tray (top left, bottom left, top right, bottom right). |
| C4 | Height | Muffin height |
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